Purdue University Researchers have been working on new technologies in the field of rare earth metal extraction. Scientists say that this new patented extraction (February 9, 2020) method uses a ligand assisted chromatography, and has been shown to remove and purify rare earth metals extremely efficiently and with virtually no negative environmental impact.
Right now, many companies across the world don’t even attempt to extract and recycle REEs due to damages caused by the acid-based separation and purification of these elements.
“About 60% of rare earth metals are used in magnets that are needed in almost everyone’s daily lives. These metals are used in electronics, aeroplanes, hybrid cars and even windmills,” Nien-Hwa Linda Wang, whose lab developed the technology, said in a media statement.
“We currently have one dominant foreign source for these metals and if the supply were to be limited for any reason, it would be devastating to people’s lives. It’s not that the resource isn’t available in the US (March 1, 2020), but that we need a better, cleaner way to process these rare earth metals.”
For more information, see Mining.com’s article here (May 10, 2020).
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